<!doctype html>
<title>CodeMirror: Verilog/SystemVerilog mode</title>
<meta charset="utf-8" />
<link rel=stylesheet href="../../doc/docs.css">
<link rel="stylesheet" href="../../lib/codemirror.css">
<script src="../../lib/codemirror.js"></script>
<script src="../../addon/edit/matchbrackets.js"></script>
<script src="verilog.js"></script>
<style type="text/css">
    .CodeMirror {
        border-top: 1px solid black;
        border-bottom: 1px solid black;
    }
</style>
<div id=nav>
    <a href="http://codemirror.net">
        <h1>CodeMirror</h1>
        <img id=logo src="../../doc/logo.png">
    </a>
    <ul>
        <li>
            <a href="../../index.html">Home</a>
            <li>
                <a href="../../doc/manual.html">Manual</a>
                <li>
                    <a href="https://github.com/codemirror/codemirror">Code</a>
    </ul>
    <ul>
        <li>
            <a href="../index.html">Language modes</a>
            <li>
                <a class=active href="#">Verilog/SystemVerilog</a>
    </ul>
</div>
<article>
    <h2>SystemVerilog mode</h2>
    <div>
        <textarea id="code" name="code"> // Literals 1'b0 1'bx 1'bz 16'hDC78 'hdeadbeef 'b0011xxzz 1234 32'd5678 3.4e6 -128.7 // Macro definition `define BUS_WIDTH = 8; // Module definition module block( input clk, input rst_n, input [`BUS_WIDTH-1:0] data_in, output [`BUS_WIDTH-1:0]
            data_out ); always @(posedge clk or negedge rst_n) begin if (~rst_n) begin data_out
            <=8 'b0;
    end else begin
      data_out <= data_in;
    end
    
    if (~rst_n)
      data_out <= 8'b0; else data_out <=d ata_in; if (~rst_n) begin data_out <=8 'b0;
      end
    else
      begin
        data_out <= data_in;
      end

  end
  
endmodule

// Class definition
class test;

  /**
   * Sum two integers
   */
  function int sum(int a, int b);
    int result = a + b;
    string msg = $sformatf("%d + %d = %d", a, b, result);
    $display(msg);
    return result;
  endfunction
  
  task delay(int num_cycles);
    repeat(num_cycles) #1;
  endtask
  
endclass

</textarea></div>

<script>
  var editor = CodeMirror.fromTextArea(document.getElementById("code"), {
    lineNumbers: true,
    matchBrackets: true,
    mode: {
      name: "verilog",
      noIndentKeywords: ["package"]
    }
  });
</script>

<p>
Syntax highlighting and indentation for the Verilog and SystemVerilog languages (IEEE 1800).
<h2>Configuration options:</h2>
  <ul>
    <li><strong>noIndentKeywords</strong> - List of keywords which should not cause identation to increase. E.g. ["package", "module"]. Default: None</li>
  </ul>
</p>

<p><strong>MIME types defined:</strong> <code>text/x-verilog</code> and <code>text/x-systemverilog</code>.</p>
</article>